What is the output of the following program? Carefully note the placement of thevirtual keyword.class Pet{public:Pet(string n = "") : name(n){}virtual ~Pet(){cout<< "Pet dtor"<

Destructor in c++ -It is a member function of a class used to free the space occupied by or delete…

Answered: What is the output of the following…

What is the output of the following program? Carefully note the placement of the virtual keyword. lass Pet{ public: Pet(string n = "") : name(n){} virtual ~Pet(){cout<< "Pet dtor"

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

What is the output of the following program? Carefully note the placement of the
virtual keyword.
class Pet{
public:
Pet(string n = "") : name(n){}
virtual ~Pet(){cout<< "Pet dtor"<<endl;}
protected:
string name;
class Dog : public Pet{
public:
Dog(string n = "") : Pet(n){}
virtual -Dog(){cout<<"Dog dtor"<«endl;}
int main(){
Dog rex("Rex");
Pets pl - rex;
Pet* p2- &rex;
return e;
O Pet dtor
Dog dtor
O None of these.
O Dog dtor
Pet dtor
O Pet dtor
Pet dtor
O Dog dtor

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